Swansea are reluctant to lose Ayew this month, especially to one of their relegation rivals in Sunderland, and sources have told ESPN FC they have already rejected one offer in the region of £11 million for the forward this month.

However, Sunderland are refusing to give up on their pursuit of Ayew with Allardyce seeing the player as someone who prove the difference for his side in their battle to stay up and the Black Cats are ready to make an improved bid as they look to further test Swansea's resolve.